Running races in or near North Plainfield, NJ
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local North Plainfield, NJ area. Races listed here include both walking and running events of various distances — from 1-milers, to 5Ks, to marathons, and everything else in between.
Running-Half marathon - Individual
Organization: Trimara Inc.
Date of Race: 10-04-2025
Description: With the famous ...
View Race Details View on Map
Running-Half marathon - Individual
Organization: Trimara Inc.
Date of Race: 10-04-2025
Description: With the famous ...
View Race Details View on Map
Running-Half marathon - Individual
Organization: Trimara Inc.
Date of Race: 12-13-2025
Description: Tis the season to be running the Holiday ...
View Race Details View on Map
Running-1 Mile - Individual Age group/open
Organization: Du City Tri Runs, Inc.
Date of Race: 02-08-2026
Description: The JC Valentine's Half Marathon, 10K, 5K, 1 MILER ...
View Race Details View on Map
Dec. 14 - Half Marathon - US Resident ...
Organization: Du City Tri Runs, Inc.
Date of Race: 12-14-2025
Description: Join us to run "The Hamilton" on in Brooklyn, USA. This ...
View Race Details View on Map
DEC 14 - 5K - US Resident or ...
Organization: Du City Tri Runs, Inc.
Date of Race: 12-14-2025
Description: Join us to run "The Hamilton" on in Brooklyn, USA. This ...
View Race Details View on Map
SATURDAY, AUGUST 23, 2025 - HALF - Individual ...
Organization: Du City Tri Runs, Inc.
Date of Race: 08-23-2025
Description:
View Race Details View on Map
10K - Feb 09 - 10k
Organization: Du City Tri Runs, Inc.
Date of Race: 02-08-2026
Description: The JC Valentine's Half Marathon, 10K, 5K, 1 MILER ...
View Race Details View on Map
5K - Feb 09 - 5k
Organization: Du City Tri Runs, Inc.
Date of Race: 02-08-2026
Description: The JC Valentine's Half Marathon, 10K, 5K, 1 MILER ...
View Race Details View on Map
NOV 27 - 10K - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 11-27-2025
Description:
View Race Details View on Map
NOV 27 • 5K - Individual Age group/open
Organization: Du City Tri Runs, Inc.
Date of Race: 11-27-2025
Description:
View Race Details View on Map
HALF MARATHON - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 11-15-2025
Description:
View Race Details View on Map
10K - Nov. 9 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 11-09-2025
Description: Location: Prospect Park, Brooklyn, NYC Reference Address:
View Race Details View on Map
5K - Nov. 9 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 11-09-2025
Description: Location: Prospect Park, Brooklyn, NYC Reference Address:
View Race Details View on Map
NOV 27 - HALF - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 11-27-2025
Description:
View Race Details View on Map
DEC 14 - 10K - US Resident or ...
Organization: Du City Tri Runs, Inc.
Date of Race: 12-14-2025
Description: Join us to run "The Hamilton" on in Brooklyn, USA. This ...
View Race Details View on Map
OCT 12 - 10K - Individual Age group/open
Organization: Du City Tri Runs, Inc.
Date of Race: 10-12-2025
Description: Please always check our website: http://www.citytri.com for updates. Welcome to ...
View Race Details View on Map
OCT 12 - 5K - Individual Age group/open
Organization: Du City Tri Runs, Inc.
Date of Race: 10-12-2025
Description: Please always check our website: http://www.citytri.com for updates. Welcome to ...
View Race Details View on Map
Half - Oct 5 - 13.1 miles
Organization: Du City Tri Runs, Inc.
Date of Race: 10-05-2025
Description: The JC Green Half Marathon, 10K, 5K ...
View Race Details View on Map
Half - Feb 09 - 13.1 miles
Organization: Du City Tri Runs, Inc.
Date of Race: 02-08-2026
Description: The JC Valentine's Half Marathon, 10K, 5K, 1 MILER ...
View Race Details View on Map
The Thankful 131! A Half Marathon Event!
Organization: Trimara Inc.
Date of Race: 11-16-2025
Description: The Race Guys decided that Prospect Park ...
View Race Details View on Map
Complete list of running events in and near North Plainfield, NJ: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about North Plainfield
About North Plainfield
North Plainfield (NJ) is a borough in Somerset County with an estimated population of 21,936.[4]
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
Historically, more marathons are run in the month of October than any other month (in the U.S.).